Funding for this research was provided by:
National Natural Science Foundation of China (No. 81803558)
the National Institute of Health (1R01MH 090267)
Text and Data Mining valid from 2019-10-20
Received: 11 July 2019
Accepted: 9 October 2019
First Online: 20 October 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable
: The authors declare that they have no competing interests.